PHOTOSYNTHESIS & CELLULAR RESPIRATION
Minnesota Academic Standard(s) Addressed:
-Organisms use the interaction of cellular processes as well as tissues and organ systems to maintain homeostasis.
-Matter cycles and energy flows through different levels of organization of living systems and the physical environment, as
chemical elements are combined in different ways.
Textbook Chapter(s) & Reading Assignment:
Chapter 7.2: Cell Structure and Function (p.202)
Chapter 8: Photosynthesis (p.226-241)
Chapter 9: Cellular Respiration (p.250-265)
Chapter 23.4: Plant Structure and Function (p.680-683)
Benchmark 1: Explain how cell processes are influenced by internal and external factors, and how cells and organisms respond to
changes in their environment to maintain homeostasis.
1. What are the primary factors that affect the rate of photosynthesis?
2. How does temperature affect the rate of photosynthesis?
3. If carbon dioxide increases what happens to the rate of photosynthesis?
4. When the light intensity increases, what happens to the rate of photosynthesis?
Benchmark 2: Explain the function and importance of cell organelles for prokaryotic and/or eukaryotic cells as related to the basic cell
processes of respiration and photosynthesis.
1. What is the role of the nucleus in a cell?
2. What types of organisms perform photosynthesis?
3. What happens in the light-dependent reactions? Where do they occur?
4. What happens in the light-independent reactions? Where do they occur?
5. What types of organisms perform cellular respiration?
6. How do cells release energy from food in the presence of oxygen?
7. How do cells release energy from food in the absence of oxygen?
Benchmark 3: Use words and equations to differentiate between the processes of photosynthesis and respiration in terms of energy
flow, beginning reactants and end products.
1. State the reactants and products for photosynthesis in both words and in a chemical equation.
2. State the reactants and products for cellular respiration in both words and in a chemical equation.
3. What is ATP, and what role does it play in the cell?
Benchmark 4: Describe how the functions of individual organ systems are integrated to maintain homeostasis in an organism.
1. Identify the function of the following parts of the leaf: epidermis, cuticle, stoma, guard cells, palisade mesophyll, and spongy
mesophyll.
2. How do stomata help plants maintain homeostasis?
3. How are leaves modified to maximize photosynthesis?
4. Which layers in a leaf contain chloroplasts?
Benchmark 5: Explain how matter and energy is transformed and transferred among organisms in an ecosystem.
1. What is the primary source of energy for photosynthesis?
2. Explain how photosynthesis and cellular respiration are a cycle.
VOCABULARY
Photosynthesis
Energy flow
ATP
Autotroph
Heterotroph
Cellular respiration
Pigment
Chlorophyll
Electron transport chain
Aerobic
Anaerobic
Glycolysis
Fermentation
Alcoholic fermentation
Lactic acid fermentation
Chloroplast
Mitochondria